from sfa.util.policy import Policy
from sfa.util.record import *
from sfa.util.sfaticket import SfaTicket
-from sfa.server.registry import Registries
from sfa.util.debug import log
from sfa.plc.slices import Slices
import sfa.plc.peers as peers
+from sfa.plc.network import *
+from sfa.plc.api import SfaAPI
+from sfa.plc.slices import *
def delete_slice(api, xrn):
hrn, type = urn_to_hrn(xrn)
api.plshell.BindObjectToPeer(api.plauth, 'slice', slice['slice_id'], peer, slice['peer_slice_id'])
return 1
-def create_slice(api, xrn, rspec):
+def __get_hostnames(nodes):
+ hostnames = []
+ for node in nodes:
+ hostnames.append(node.hostname)
+ return hostnames
+
+def create_slice(api, xrn, xml, reg_objects=None):
+ """
+ Verify HRN and initialize the slice record in PLC if necessary.
+ """
+
hrn, type = urn_to_hrn(xrn)
- # XX just import the legacy module and excute that until
- # we transition the code to this module
- from sfa.plc.slices import Slices
+ peer = None
slices = Slices(api)
- slices.create_slice_aggregate(hrn, rspec)
+ peer = slices.get_peer(hrn)
+ sfa_peer = slices.get_sfa_peer(hrn)
+ registry = api.registries[api.hrn]
+ credential = api.getCredential()
+ site_id, remote_site_id = slices.verify_site(registry, credential, hrn,
+ peer, sfa_peer, reg_objects)
+
+ slice = slices.verify_slice(registry, credential, hrn, site_id,
+ remote_site_id, peer, sfa_peer, reg_objects)
+
+ network = Network(api)
+
+ slice = network.get_slice(api, hrn)
+ current = __get_hostnames(slice.get_nodes())
+
+ network.addRSpec(xml, api.config.SFA_AGGREGATE_RSPEC_SCHEMA)
+ request = __get_hostnames(network.nodesWithSlivers())
+
+ # remove nodes not in rspec
+ deleted_nodes = list(set(current).difference(request))
+
+ # add nodes from rspec
+ added_nodes = list(set(request).difference(current))
+
+
+
+ if peer:
+ api.plshell.UnBindObjectFromPeer(api.plauth, 'slice', slice.id, peer)
+
+ api.plshell.AddSliceToNodes(api.plauth, slice.name, added_nodes)
+ api.plshell.DeleteSliceFromNodes(api.plauth, slice.name, deleted_nodes)
+
+ network.updateSliceTags()
+
+ if peer:
+ api.plshell.BindObjectToPeer(api.plauth, 'slice', slice.id, peer,
+ slice.peer_id)
+
+ # print network.toxml()
+
+ return True
+
def get_ticket(api, xrn, rspec, origin_hrn=None):
slice_hrn, type = urn_to_hrn(xrn)
# the the slice record
- registries = Registries(api)
- registry = registries[api.hrn]
+ registry = api.registries[api.hrn]
credential = api.getCredential()
records = registry.resolve(credential, xrn)
raise RecordNotFound(hrn)
slice_id = slices[0]
attributes = api.plshell.GetSliceTags(api.plauth, {'slice_id': slice_id, 'name': 'enabled'}, ['slice_attribute_id'])
- attribute_id = attreibutes[0]['slice_attribute_id']
+ attribute_id = attributes[0]['slice_attribute_id']
api.plshell.UpdateSliceTag(api.plauth, attribute_id, "1" )
return 1
return 1
def get_slices(api):
- # XX just import the legacy module and excute that until
- # we transition the code to this module
- from sfa.plc.slices import Slices
- slices = Slices(api)
- slices.refresh()
- return [hrn_to_urn(slice_hrn, 'slice') for slice_hrn in slices['hrn']]
-
-
+ # look in cache first
+ if api.cache:
+ slices = api.cache.get('slices')
+ if slices:
+ return slices
+
+ # get data from db
+ slices = api.plshell.GetSlices(api.plauth, {'peer_id': None}, ['name'])
+ slice_hrns = [slicename_to_hrn(api.hrn, slice['name']) for slice in slices]
+ slice_urns = [hrn_to_urn(slice_hrn, 'slice') for slice_hrn in slice_hrns]
+
+ # cache the result
+ if api.cache:
+ api.cache.add('slices', slice_urns)
+
+ return slice_urns
+
def get_rspec(api, xrn=None, origin_hrn=None):
- from sfa.plc.nodes import Nodes
- nodes = Nodes(api, origin_hrn=origin_hrn)
- if xrn:
- rspec = nodes.get_rspec(xrn)
- else:
- nodes.refresh()
- rspec = nodes['rspec']
+ # look in cache first
+ if api.cache and not xrn:
+ rspec = api.cache.get('nodes')
+ if rspec:
+ return rspec
+
+ hrn, type = urn_to_hrn(xrn)
+ network = Network(api)
+ if (hrn):
+ if network.get_slice(api, hrn):
+ network.addSlice()
+
+ rspec = network.toxml()
+
+ # cache the result
+ if api.cache and not xrn:
+ api.cache.add('nodes', rspec)
return rspec
"""
-Returns the request context required by sfatables. At some point, this mechanism should be changed
-to refer to "contexts", which is the information that sfatables is requesting. But for now, we just
-return the basic information needed in a dict.
+Returns the request context required by sfatables. At some point, this
+mechanism should be changed to refer to "contexts", which is the
+information that sfatables is requesting. But for now, we just return
+the basic information needed in a dict.
"""
def fetch_context(slice_xrn, user_xrn, contexts):
- slice_hrn = urn_to_hrn(slice_xrn)[0]
- user_hrn = urn_to_hrn(user_xrn)[0]
- base_context = {'sfa':{'user':{'hrn':user_hrn}}}
+ slice_hrn, type = urn_to_hrn(slice_xrn)
+ user_hrn, type = urn_to_hrn(user_xrn)
+ base_context = {'sfa':{'user':{'hrn':user_hrn}, 'slice':{'hrn':slice_hrn}}}
return base_context
def main():
- r = RSpec()
- r.parseFile(sys.argv[1])
- rspec = r.toDict()
- create_slice(None,'plc.princeton.tmacktestslice',rspec)
+ api = SfaAPI()
+ """
+ rspec = get_rspec(api, "plc.princeton.sapan", None)
+ #rspec = get_rspec(api, "plc.princeton.coblitz", None)
+ #rspec = get_rspec(api, "plc.pl.sirius", None)
+ print rspec
+ """
+ f = open(sys.argv[1])
+ xml = f.read()
+ f.close()
+ create_slice(api, "plc.princeton.sapan", xml)
if __name__ == "__main__":
main()
git://git.onelab.eu / sfa.git / blobdiff